Configure transaction mode. Used with Store.runInTransaction().
- read → const TxMode
Read only transaction - trying to execute a write operation results in an error. This is useful if you want to group many reads inside a single transaction, e.g. to improve performance or to get a consistent view of the data across multiple operations.
- write → const TxMode
Read/Write transaction. There can be only a single write transaction at any time - it holds a lock on the database. Compared to read transaction, read/write transactions have much higher "cost", because they need to write data to the disk at the end.